What role did Salaam Remi and 40 each play in the production of "Bye Baby"?

Salaam sent me the looped sample and vocals for Nas. After that I got the entire session for the Guy record—all the separated Aaron Hall vocals, all the separated parts. I took all the parts and rebuilt some of them, flipped and mashed them all together and built the whole song. But I let Salaam lead on the production credit because even though I did the majority of the work, the initial idea of the sample, loop and the raps were all done with Salaam, and it was his idea.